Jawabanmu

2014-05-11T21:04:25+07:00
1500 = 1/2 . 5x . 4x
3000 = 20x kuadrat
150 = x kuadrat
12,25 = x
tinggi = 5.12,25 = 62,25 cm
alas = 4.12,25 = 50 cm